It can absolutely take over a game and let a player snowball in card advantage
The thing is there is only really one reason to go mono blue in a draft and that is Vedalken Shackles
The ability that defines Regal Bunnicorn's power and toughness functions in all zones, not just the battlefield
The top 30ish are more generically good, followed by about 50 key pieces for their respective decks in different guilds
The Obscura Operation Streets of New Capenna set contains 1 ready-to-play White-Blue-Black deck of 100 Magic cards (2 traditional foil, 98 nonfoil), a 2-card Collector Booster Sample Pack, 1 foil-etched Display Commander (a thick cardstock copy of the commander card with foil etched into the cards border and art), 10 double-sided tokens, 1 counter punchout card, 1 deck box (can hold 100 sleeved cards), 1 life tracker, and 1 reference card
Adding any of these cards to your deck can help ensure you're a force to be reckoned with in your next Commander game.